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dguido's profile
Dan Guido
Dan Guido
Dan Guido
@dguido

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Dan Guido

@dguido

CEO @trailofbits, organizer @EmpireHacking, director @hack_secure. Open DMs.

Brooklyn, NY
trailofbits.com
Joined April 2008

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    Dan Guido‏ @dguido 19 Jul 2017

    Here's the Solidity bug that lost ~$30MM in ETH today (from the @trailofbits internal chat) https://twitter.com/maraoz/status/887751004971831296 …pic.twitter.com/xN0Zyfa7n2

    3:09 PM - 19 Jul 2017
    • 174 Retweets
    • 233 Likes
    • Eugene Neyolov Jimmy Bergman Dinko Korunic Samy Kamkar KurSh Juan Germano Aaditya Purani blahblahblah Iosif Romashkevich
    7 replies 174 retweets 233 likes
      1. New conversation
      2. Dan Guido‏ @dguido 19 Jul 2017
        Replying to @dguido

        At least, we're pretty certain. Do tell us if you think we're wrong!

        1 reply 1 retweet 6 likes
      3. Brendan Dolan-Gavitt‏ @moyix 19 Jul 2017
        Replying to @dguido

        Does that match up with the fix?https://github.com/paritytech/parity/commit/e06a1e8dd9cfd8bf5d87d24b11aee0e8f6ff9aeb …

        2 replies 0 retweets 2 likes
      4. Dan Guido‏ @dguido 19 Jul 2017
        Replying to @moyix

        Ah, we didn't see that! Yes, that matches up perfectly.

        1 reply 0 retweets 4 likes
      5. Brendan Dolan-Gavitt‏ @moyix 19 Jul 2017
        Replying to @dguido

        Good, for a second I was worried you'd just dropped accidental 0day ;)

        0 replies 0 retweets 5 likes
      6. End of conversation
      1. New conversation
      2. Tweet Street‏ @lotus236 20 Jul 2017
        Replying to @dguido @ErrataRob @trailofbits

        Dear good intentioned americans - please read the ihnternational system of units. It's been out for a while. Single cap M for millions - ok?

        1 reply 0 retweets 2 likes
      3. Stanford Jism Experiment‏ @CoolVapeDad 20 Jul 2017
        Replying to @lotus236 @dguido and

        in finance and business they use a bastardization of roman numerals, so M is 1000 and MM = 1000x1000 = a milliion. Standard in oil + more

        2 replies 0 retweets 2 likes
      4. Tweet Street‏ @lotus236 30 Jul 2017
        Replying to @CoolVapeDad @dguido and

        no freaking way!!!!!!!! that is plain stooopid ... many things make sense now. thx

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. عمر عصام‏ @Omarito2412 25 Jul 2017
        Replying to @dguido @chrisalbon @trailofbits

        @mikb0b I guess this would interest you :D

        0 replies 0 retweets 1 like
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      1. Real AI‏ @Luiz0x29A 20 Jul 2017
        Replying to @dguido @trailofbits

        I would sure use a real autoprover like Coq to code such things... I can't believe there's JS in that

        0 replies 0 retweets 0 likes
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      1. mosesRENEGADE‏ @mosesrenegade 20 Jul 2017
        Replying to @dguido @trailofbits

        Well that paper at the bottom links here: http://arxiv.org/pdf/1703.03779.pdf … and its pretty fascinating. The bug in the picture is pretty obvious.

        0 replies 0 retweets 0 likes
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